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Finding the Fourth Proportional to 336.90, 464.88 and 189.52

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Solution

The fourth proportional to 336.90, 464.88 and 189.52 is: 261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.90 : 464.88 = 189.52 : x
  2. Step 2: Convert to fraction form
    336.90/464.88 = 189.52/x
  3. Step 3: Cross multiply
    336.90x = 464.88 × 189.52
  4. Step 4: Simplify right side
    336.90x = 88,104.06
  5. Step 5: Solve for x
    x = 88,104.06/336.90
  6. Step 6: Final answer
    x = 261.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.